This document discusses different types of media that can be used to convey information, including audio, video, graphics, and links. For each media type, advantages and disadvantages are listed. Audio allows the blind to access information but may use unnatural computer voices. Videos can demonstrate concepts visually but require strong WiFi. Graphics can illustrate facts visually but take time and resources to create. Links provide access to additional information but may lead to ads or viruses. Page navigation gives quick access to other sources but full access may require a subscription.